Home / 42,831.02-63,884.35-40,361.38

Finding the Fourth Proportional to 42,831.02, 63,884.35 and 40,361.38

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Solution

The fourth proportional to 42,831.02, 63,884.35 and 40,361.38 is: 60,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,831.02 : 63,884.35 = 40,361.38 : x
  2. Step 2: Convert to fraction form
    42,831.02/63,884.35 = 40,361.38/x
  3. Step 3: Cross multiply
    42,831.02x = 63,884.35 × 40,361.38
  4. Step 4: Simplify right side
    42,831.02x = 2,578,460,526.40
  5. Step 5: Solve for x
    x = 2,578,460,526.40/42,831.02
  6. Step 6: Final answer
    x = 60,200.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.